/*      $FreeBSD: src/sys/opencrypto/rijndael.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $ */
/*      $DragonFly: src/sys/opencrypto/rijndael.h,v 1.2 2003/06/17 04:28:54 dillon Exp $        */
/*      $OpenBSD: rijndael.h,v 1.7 2001/12/19 17:42:24 markus Exp $ */

/**
* rijndael-alg-fst.h
*
* @version 3.0 (December 2000)
*
* Optimised ANSI C code for the Rijndael cipher (now AES)
*
* @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
* @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
* @author Paulo Barreto <paulo.barreto@terra.com.br>
*
* This code is hereby placed in the public domain.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __RIJNDAEL_H
#define __RIJNDAEL_H

#define MAXKC   (256/32)
#define MAXKB   (256/8)
#define MAXNR   14

typedef unsigned char   u8;
typedef unsigned short  u16;
typedef unsigned int    u32;

/*  The structure for key information */
typedef struct {
int     decrypt;
int     Nr;                     /* key-length-dependent number of rounds */
u32     ek[4*(MAXNR + 1)];      /* encrypt key schedule */
u32     dk[4*(MAXNR + 1)];      /* decrypt key schedule */
} rijndael_ctx;

void     rijndael_set_key(rijndael_ctx *, u_char *, int, int);
void     rijndael_decrypt(rijndael_ctx *, u_char *, u_char *);
void     rijndael_encrypt(rijndael_ctx *, u_char *, u_char *);

#endif /* __RIJNDAEL_H */
